Red obstruction light for night time marking of structures that present a hazard to aviation. Red steady burning/ Infra-Red steady burning. Incorporates the benefits of advanced LED, optical and system control technologies to meet the most demanding applications

Orga Aviation – Datasheet Drawing – L550 – 20kd – rP02-01
Orga Aviation – Datasheet Drawing – L550 – 20kd – rP02-02
Orga Aviation – Datasheet Drawing – L550 – 20kd – rP02-03

Key features

  • Five year warranty
  • Housing based on 30 years of experience offshore product design experience
  • Lightweight and easy to install
  • Extremely low wind factor
  • Integrated design with built-in photocell and monitoring – no additional power supply enclosures required
  • No maintenance required over service life
  • Orga optical design produces highly accurate and uniform narrow light beam
  • Optional integrated GPS based flash synchronisation between lights. UTC 0.0.0
  • Extremely low power consumption
  • 15 year field proven power supply technology
  • Long life power supply to match LED life, does not use electrolytic capacitors
  • Made in the Netherlands


  • In compliance with ICAO Annex 14 Volume 1, Seventh Edition, July 2016, Chapter 6, Low Intensity type A

Performance characteristics

  • Horizontal beam pattern: 360°
  • Flashing: see table
  • Effective intensity: see table
  • Vertical beam pattern: 3° minimum
  • Infra-Red wavelength ~850 nm
  • Infra-Red beam follows visible light, or beam is according to local standards

Electrical characteristics

  • Operating voltage: 48 Vdc; 40-64 Vdc
  • Power consumption: see table
  • Overvoltage protection: Class III according to IEC61643-1

Physical characteristics

  • Dimensions: L x W x H:
    see drawing
  • Weight: 12 kg
  • Design degree of protection: IP65
  • Operating temperature range:
    -40 ºC/+55 ºC
  • Shipping information: 550 x 550 x400 mm; approx. 16 kg
  • Supplied with pre-mounted Orga cable for easy installation and high reliability ready for use
  • Cable bending radius = 120 mm
  • Outer cable diameter ø14.5 +/- 0.5 mm
  • Level indicators for correct mounting